Scientists examine a section of an Arctic lake bank that has collapsed because of thawing permafrost near Toolik Field Station in Alaska in 2008.
Scientists examine a section of an Arctic lake bank that has collapsed because of thawing permafrost near Toolik Field Station in Alaska in 2008. Raleigh News & Observer/MCT
Scientists examine a section of an Arctic lake bank that has collapsed because of thawing permafrost near Toolik Field Station in Alaska in 2008. Raleigh News & Observer/MCT

Climate talks must consider impact of thawing permafrost, scientists say

November 27, 2012 5:14 PM